CVE-2011-2501

Summary

The png_format_buffer function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://secunia.com/advisories/49660
• http://secunia.com/advisories/45046
• http://www.ubuntu.com/usn/USN-1175-1
• http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:151
• http://www.securityfocus.com/bid/48474
• https://bugzilla.redhat.com/show_bug.cgi?id=717084
• http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.617466
• http://security.gentoo.org/glsa/glsa-201206-15.xml
• http://www.openwall.com/lists/oss-security/2011/06/27/13
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/68517
• http://secunia.com/advisories/45289
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
• http://www.debian.org/security/2011/dsa-2287
• http://sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com&forum_name=png-mng-implement
• http://secunia.com/advisories/45405
• http://www.redhat.com/support/errata/RHSA-2011-1105.html
• http://www.openwall.com/lists/oss-security/2011/06/28/16
• http://secunia.com/advisories/45460
• http://secunia.com/advisories/45486
• http://secunia.com/advisories/45492
• http://secunia.com/advisories/45415

References

• http://secunia.com/advisories/49660
• http://secunia.com/advisories/45046
• http://www.ubuntu.com/usn/USN-1175-1
• http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:151
• http://www.securityfocus.com/bid/48474
• https://bugzilla.redhat.com/show_bug.cgi?id=717084
• http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.617466
• http://security.gentoo.org/glsa/glsa-201206-15.xml
• http://www.openwall.com/lists/oss-security/2011/06/27/13
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/68517
• http://secunia.com/advisories/45289
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
• http://www.debian.org/security/2011/dsa-2287
• http://sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com&forum_name=png-mng-implement
• http://secunia.com/advisories/45405
• http://www.redhat.com/support/errata/RHSA-2011-1105.html
• http://www.openwall.com/lists/oss-security/2011/06/28/16
• http://secunia.com/advisories/45460
• http://secunia.com/advisories/45486
• http://secunia.com/advisories/45492
• http://secunia.com/advisories/45415

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